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* staging:iio: Rip out helper for software rings.Jonathan Cameron2011-05-201-19/+0Star
| | | | | | | | | | | | It seemed like a good idea at the time, it wasn't. The code with this in place is larger and more complex for no real gain. Basically we've cleaned up the core around it so much that this no longer makes sense. Only really effects the lis3l02dq driver. Signed-off-by: Jonathan Cameron <jic23@cam.acuk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: rationalization of different buffer implementation hooks.Jonathan Cameron2011-05-201-174/+2Star
| | | | | | | | | | | | | 1) move a generic helper function out of ring_sw. It applies to other buffers as well. 2) Get rid of a lot of left over function definitions. 3) Move all the access functions into static structures. 4) Introduce and use a static structure for the setup functions, preenable etc. Some driver conversions thanks to Michael Hennerich (pulled out of patches that would otherwise sit after this). Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:ring_sw add function needed for threaded irq.Jonathan Cameron2011-05-201-0/+1
| | | | | Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:buffering remove unused parameter dead_offset from read_last_n ↵Jonathan Cameron2011-05-201-3/+1Star
| | | | | | | | | | in all buffer implementations. This element has been usused by the core for quite some time. sca3000 set it none the less until the rewrite in the previous patch (and hence didn't work). Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio: replace rip_lots naming with read_first_nJonathan Cameron2011-04-261-7/+7
| | | | | | | | | | Change suggested by Arnd Bergmann, Related patch to remove pointless (now) dead_offset parameter will have await proper fix for the sca3000 driver. That depends on some intermediate patches so may be a little while. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging:iio:buffering move the copy to user on rip down into implementationsJonathan Cameron2011-02-181-2/+2
| | | | | | | | | | The current interface is not as adaptable as it should be. Moving this complexity into the implementations makes it easier to add new implementations. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Tested-by: Michael Hennerich <michael.hennerich@analog.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio rename ring attributesManuel Stahl2010-08-311-6/+6
| | | | | | | | | bps -> bytes_per_datum ring_enable -> enable Signed-off-by: Manuel Stahl <manuel.stahl@iis.fraunhofer.de> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: ring_sw remove unnecessary function stub.Jonathan Cameron2010-08-031-2/+0Star
| | | | | | Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: iio_sw_ring_helper_state - add dummy case for no buffer builds.Jonathan Cameron2010-08-031-0/+3
| | | | | | Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Randy Dunlap <randy.dunlap@oracle.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: Add iio_sw_ring_helper_state and functions to cover common case.Jonathan Cameron2010-07-221-0/+10
| | | | | | Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Acked-by: Barry Song <21cnbao@gmail.com> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* staging: iio: Add a bits per element element to ring_generic allowing a ↵Barry Song2010-07-221-1/+1
| | | | | | | | general ring_sw_preenable_function. Signed-off-by: Barry Song <21cnbao@gmail.com> Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* drop explicit include of autoconf.hSam Ravnborg2009-12-121-1/+0Star
| | | | | | | | | kbuild.h forces include of autoconf.h on the commandline using -include - so we do not need to include the file explicit. Signed-off-by: Sam Ravnborg <sam@ravnborg.org> Signed-off-by: Michal Marek <mmarek@suse.cz>
* Staging: iio: lots of doc fixesRandy Dunlap2009-12-111-20/+48
| | | | | | | | | | | | | | | Fix iio header files kernel-doc notation errors, spelling, typos, indentation, grammar, etc. It would also be good if these function names were spelled correctly, but I didn't change them: iio_push_or_escallate_ring_event() iio_trigger_dettach_poll_func() Signed-off-by: Randy Dunlap <randy.dunlap@oracle.com> Acked-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
* Staging: IIO: Ring buffer: Initial pass at rarely locked ring bufferJonathan Cameron2009-09-151-0/+189
Please note this ring buffer implementation is very much a work in progress (and hence RFC). In it's current form it is stable and reasonably efficient. There are a couple of unlikely cases that will lead to more data being lost that is strictly necessary. The target was for the case of requiring regular sampling even during user space reads. All comments welcome. The intention is to make this only one of several implementations with run time selection. For now there is only one, so it is hard coded into the drivers using it. Signed-off-by: Jonathan Cameron <jic23@cam.ac.uk> Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>
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